C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
260/534.1
C07F 9/38 (2006.01)
Patent
CA 2023405
N-Phosphonomethylglycine can be purified and concentrated from aqueous solutions containing N-phos- phonomethylglycine and impurities, such as N-formyl-N- phosphonomethylglycine, phosphorous acid, and the like, by passing the aqueous solution through an ion exchange column containing a weakly basic ion exchange resin to remove such impurities.
Mcfadden Fincham
Monsanto Technology Llc
LandOfFree
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